3989040284 has 12 divisors (see below), whose sum is σ = 6981274608. Its totient is φ = 1994390400.

The previous prime is 3989040281. The next prime is 3989040331. The reversal of 3989040284 is 4820409893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989040281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80204 + ... + 120044.

It is an arithmetic number, because the mean of its divisors is an integer number (581772884).

Almost surely, 2^3989040284 is an apocalyptic number.

It is an amenable number.

3989040284 is a deficient number, since it is larger than the sum of its proper divisors (2992234324).

3989040284 is a wasteful number, since it uses less digits than its factorization.

3989040284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64876 (or 64874 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 3989040284 is about 63158.8496095361. The cubic root of 3989040284 is about 1585.9499371173.

The spelling of 3989040284 in words is "three billion, nine hundred eighty-nine million, forty thousand, two hundred eighty-four".